Objective Discussing the selection and effect after cosmeticprosthesis for the patients who perform crown lengthening after superior anterior tooth injury.
目的：对于上前牙外伤后行牙冠延长术的患者，探讨其术后美容性修复方法的选择及其效果。
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Methods Among 27 cases who perform cosmeticprosthesis for anterior tooth after crown lengthening, there are 16 cases with post crown, 11 cases with comprehensive prosthesis.
Objective With cutting dermis pad of eyebrow and silicone prosthesis to redound nasal tip, to probe into application of body dermis in cosmetic surgery.